B
Publish his findings in a research journal because he is experimenting what medicinal properties can be tested or are associated with the plant. He should have kept the notes in a research journal for making observations so B.
        
             
        
        
        
Answer:
D. Lactose is absorbed intact and transported through the portal vein to the liver.
Explanation:
Lactose is a disaccharide. It is a sugar composed of galactose and glucose subunits and has the molecular formula C₁₂H₂₂O₁₁. Lactose as a disaccharide can never be absorbed just like that. It needs to be broken down into monosaccharides first. 
 
        
                    
             
        
        
        
Answer:
B
Explanation:
because of osmosis as it goes from low to high
 
        
                    
             
        
        
        
I believe the answer is sister chromatids in a chromosome. 
To be exact 23 pairs of sister chromatids.
Hope this helps .